/Engine/Source/Runtime/AIModule/Public/HierarchicalHashGrid2D.h
Returns items that potentially touch the bounds. Operates on grid level, can have false positives. This can be faster thanQuery()for small query box sizes (i.e. max dimension CellSize*4) due to simpler logic.
void QuerySmall ( const FBox & Bounds, [TArray](API\Runtime\Core\Containers\TArray)< [ItemIDType](API\Runtime\AIModule\THierarchicalHashGrid2D\ItemIDType) > & OutResults ) const